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US Patent: 13,142
Wheelwright-'s guide-mandrel
Patentee: Joseph Sykes (exact or similar names) - Mercer, PA USPTO Classifications: 157/3, 16/18R, 73/480, 82/169 Tool Categories: trade specific : wheelwright Assignees: None Manufacturer: Not known to have been produced Witnesses: John R. Hanna William R. McKim	Patent Dates: Granted: Jun. 26, 1855 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: This mandrel holds a wheel-hub while the spokes are being driven in.

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